MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, a common tactic for link farms used to distribute phishing content or malware. ClamAV detection and ML classification strongly indicate maliciousness. The presence of multiple external URIs and a link farm heuristic confirms the attack pattern. The primary IOCs are the external URLs found within the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://soxebez.ru/strik?utm_term=burger+king+breakfast+hours+start+time PDF link annotation
- https://cdn.sqhk.co/lugizumevemu/fjcWOQN/4170770203.pdfIn PDF document text
- http://grenkasalo4.xyz/30697052134xlrzz.pdfIn PDF document text
- https://cdn.sqhk.co/popenewosaso/BqEjggj/screaming_goat_meme_sound_button.pdfIn PDF document text
- http://nitiwomifigurod.mygamesonline.org/12748443237.pdfIn PDF document text
- http://avlto.best/dixuvuve87dvn.pdfIn PDF document text
- https://cdn.sqhk.co/mikibitugusu/Vz1jj6O/download_anger_of_stick_4_offline_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/sizafutito/b2je9qz/buvokufobelol.pdfIn PDF document text
- https://cdn.sqhk.co/xujuvotu/givjats/pubatipizovu.pdfIn PDF document text
- http://secret-empire.ru/what_do_san_juan_mean_in_spanisho16c9.pdfIn PDF document text
- https://cdn.sqhk.co/gajeneset/hW3zL7D/bluetooth_smart_switch.pdfIn PDF document text
- https://cdn.sqhk.co/mewivupa/Aegjje0/table_tennis_racket_shop_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/zikonidenijo/jjjdBjj/vibuzipezaguregarunefure.pdfIn PDF document text
- https://cdn.sqhk.co/bipozipo/jiZwjiB/37211772500.pdfIn PDF document text
- http://update-win20.online/99085759087ar17s.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pezofut/maxoziluvusatikuvokade.pdfIn PDF document text
- https://s3.amazonaws.com/povodijirig/mississippi_driving_learner_permit_rules_nyc.pdfIn PDF document text
- https://s3.amazonaws.com/jixerubowi/70559197774.pdfIn PDF document text
- https://2a4b29e6-a790-453e-81e7-e8b9caf2c27b.filesusr.com/ugd/bf0735_ef1b5e1ab6c34332a552f80cd77c8c6e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wefemabeni/leicester_today_weather_report.pdfIn PDF document text
- http://tapoloferazuziw.atwebpages.com/ayurvedam_telugu_books_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/limewub/73511254031.pdfIn PDF document text
- http://vebusatoro.atwebpages.com/haier_10000_btu_portable_air_conditioner_review.pdfIn PDF document text
- https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_0b103011b1dc40b2b082a53f09e92ca7.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8DC | 5400 bytes |
SHA-256: e1591c5331abc56731707daad15960c12997c954fabab8fa2a3cca30b27745bb |
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font_01_sfnt_off0000fb21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB21 | 11212 bytes |
SHA-256: d7aa02fca3bef998ceeb650c68ea274d524cde2cafc1c1c3c981ca3075c05051 |
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